tracing

README

Example of a tracing for a gin call to rpc

(1) Start jaeger service

docker run -d --name jaeger \
  -e COLLECTOR_ZIPKIN_HOST_PORT=:9411 \
  -p 5775:5775/udp \
  -p 6831:6831/udp \
  -p 6832:6832/udp \
  -p 5778:5778 \
  -p 16686:16686 \
  -p 14250:14250 \
  -p 14268:14268 \
  -p 14269:14269 \
  -p 9411:9411 \
  jaegertracing/all-in-one:latest

Uploading information to jaeger via 6831 udp port.

(2) Set the variables jaegerAgentHost and jaegerAgentPort in the code file tracingConfig.go.

(3) Start the grpc server.

(4) Start the http server.

(5) Invoke the api interface.

curl -X POST http://127.0.0.1:6060/hello

(6) View link trace information.

Open jaeger's UI in your browser http://127.0.0.1:16686

Select [service] in the left menu bar and click on [file trace] to view the details, as shown below.

Documentation

Index

• func InitTrace(serviceName string)
• func SpanDemo(ctx context.Context, spanName string)

Functions

func InitTrace

func InitTrace(serviceName string)

InitTrace 初始化链路跟踪

func SpanDemo

func SpanDemo(ctx context.Context, spanName string)

SpanDemo 设置一个demo span